San Jose Astronomical Association confirms rapid brightening since discovery
1Sep 8 · 16d ago · 1 post · 1 source · development 1 of 2
The SJAA reports that SN 2026aaiv has brightened rapidly since its September 1 discovery, noting the supernova's magnitude increase over the week.
bsky.app
“SN 2026aaiv is a newly discovered Type Ia supernova in NGC 7331, about 40 million light-years away in Pegasus. It was discovered Sept. 1 and has brightened rapidly since.”
San Jose Astronomical Association, Amateur astronomy organization · bluesky ↗
Sep 10Sep 12Sep 14Sep 16Sep 18Sep 20Sep 22now · 9:54 AM ET
What people said 2 voices · verbatim
T
Sn2026aaiv shines just to the right of the core of NGC 7331. As of 9/8/26 this Type 1a supernova is increasing in brightness. I estimate it was magnitude 14 this morning. NGC 7331 is 44 million light years away. The galaxies below it are almost 10x further away. Details in ALT. #astrophotography
💥 An exploding star, captured by an SJAA member! SN 2026aaiv is a newly discovered Type Ia supernova in NGC 7331, about 40 million light-years away in Pegasus. It was discovered Sept. 1 and has brightened rapidly since. 🔭🧪
